East China Safety Technical Services Company Limited, Cinda Real Estate Group Company Limited, Shanghai Hongda Pipeline Engineering Company Limited, Shanghai Huachang Chemical Company Limited, East China Academy Investment Development Company Limited, Shanghai Tiande Medical Development Company Limited and East China Academy Environmental Protection Equipment Manufacturing Company Limited. These subsidiaries operate in different fields, including safety technology services, real estate development and management, pipeline engineering construction and maintenance, and chemical production and sales. Each of the subsidiaries is a direct subsidiary of Huadong Yard and plays an important role and function in their respective fields.